Isovaleric acid CAS NO.503-74-2

Isovaleric acid Chemical Properties
Melting point     -29 °C (lit.)
Boiling point     175-177 °C (lit.)
density     0.925 g/mL at 20 °C (lit.)
vapor pressure     0.38 mm Hg ( 20 °C)
FEMA     3102 | ISOVALERIC ACID
refractive index     n20/D 1.403(lit.)
Fp     159 °F
storage temp.     Store below +30°C.
solubility     48g/l
pka    4.77(at 25℃)
form     Liquid
color     Clear colorless to slightly yellow
Specific Gravity    0.928 (20/20℃)
PH    3.1 (10g/l, H2O, 25℃)
explosive limit    1.5-6.8%(V)
Water Solubility     25 g/L (20 ºC)
JECFA Number    259
Merck     14,5231
BRN     1098522
CAS DataBase Reference    503-74-2(CAS DataBase Reference)
NIST Chemistry Reference    Butanoic acid, 3-methyl-(503-74-2)
EPA Substance Registry System    Isovaleric acid (503-74-2)

Isovaleric acid Basic information
Product Name:    Isovaleric acid
Synonyms:    3-METHYLBUTANOIC ACID;3-METHYLBUTYRIC ACID;AKOS BBS-00003796;RARECHEM AL BO 0154;3-Methylbuttersαure;3-methylbutyrate;3-methyl-butyricaci;3-Methyl-n-butyricacid
CAS:    503-74-2
MF:    C5H10O2
MW:    102.13
EINECS:    207-975-3
Mol File:    503-74-2.mol

Safety Information
Hazard Codes     C,T
Risk Statements     34-24-22
Safety Statements     26-36/37/39-45-38-28A
RIDADR     UN 3265 8/PG 2
WGK Germany     1
RTECS     NY1400000
F     13
Autoignition Temperature    824 °F
TSCA     Yes
HS Code     2915 60 90
HazardClass     6.1
PackingGroup     III
Hazardous Substances Data    503-74-2(Hazardous Substances Data)
Toxicity    LD50 i.v. in mice: 1120±30 mg/kg (Or, Wretlind)